The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 06, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (0) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
Rankings
Hydrology | Intercepted precipitation | FFA | Copulas | Hydrological modelin
H-Index Metrics
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H-Index30
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i10 Index66
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Citation Counts5,938
Rankings
Bioinformatics | Systems Biology | HPC-Meta'omics | Human microbiome | Environmental Engineerin
H-Index Metrics
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H-Index30
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i10 Index54
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Citation Counts29,469
Rankings
enviromental engineering | waste water treatment | hygien
H-Index Metrics
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H-Index26
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i10 Index42
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Citation Counts2,773
Rankings
Ecology | wildlife | population management | biomonitorin
H-Index Metrics
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H-Index25
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i10 Index57
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Citation Counts3,421
Rankings
Rankings
Rankings
water | partly-quenched systems | polyelectrolytes | protein-protein interactions | electrochromic cell devices
H-Index Metrics
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H-Index18
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i10 Index31
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Citation Counts1,287
Rankings
Environmental engineering | environmental protectio
H-Index Metrics
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H-Index16
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i10 Index19
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Citation Counts1,031
Rankings
stable isotope analysis of light elements | gas chromatography | authenticity and geographical origi
H-Index Metrics
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H-Index14
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i10 Index18
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Citation Counts528
Rankings
Subjects Environmental Studies and Early Social Studies
H-Index Metrics
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H-Index14
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i10 Index20
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Citation Counts739
Rankings
Nature conservation | biodiversity | large carnivores | protected area
H-Index Metrics
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H-Index12
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i10 Index20
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Citation Counts616
Rankings
Macromolecular crystallography Air pollution modeling and measurement
H-Index Metrics
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H-Index11
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i10 Index11
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Citation Counts401
Rankings
Rankings
energy efficiency | buildings | building information modeling | climate change | carbon emission
H-Index Metrics
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H-Index7
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i10 Index7
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Citation Counts475
Rankings
Rankings
Climate Change | Black Carbon | Brown Carbon | Dus
H-Index Metrics
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H-Index5
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i10 Index4
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Citation Counts121
Rankings
Environmental science | Materials science | Electro-chemistry | Energy storag
H-Index Metrics
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H-Index5
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i10 Index4
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Citation Counts76
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